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13-01-2017
Mathematics

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Light bulbs manufactured at a certain factory have a 3% probability of being defective. What is the probability that 5 out of a shipment of 30 will be defective?

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13-01-2017

There is a 3% chance of each light bulb being defective, and we only want 5 of them to be defective. The chance is then:

[tex]3\%^5*97\%^{25}[/tex]

Or this really small number: 1.13474853e-8

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